Every color can handle a 3/3 dork - countering, burn, destruction, exiling, stealing, you have several options
I tried to guess which cards with this ability would be the best in Commander, but my reasoning was somewhat flawed
Not only is he questing for 4 lore, but he effectively doubles the amount of ink you have to spend each turn
[c]Ethereal Armor[/c], [c]Daybreak Coronet[/c], and [c]Rancor[/c] are all excellent choices here as they provide a strong damage boost in addition to other abilities
While Roiling Vortex deals one damage during each players upkeep and five more damage to a player whenever they cast a spell without paying mana, Sulfuric Vortex deals two damage during each players upkeep and prevents players from gaining life